got a case of the 

phrase used to compare newly apparent (or are thought to be developing) personal characteristic or behavior to a medical condition. derived from common names of diseases such as the measles, the shits (diarrhea), the bends

"Someone's got a case of the the Mondays"

"After watching too much Tv, the children got a case of the gimmes"

"Pot gave John a case of the stupids"

got a case of the by Marcel van Kraat September 11, 2006

Got a bad case of the bitch

When someone that is normally a good time acts like a bitch.

Person 1: What's wrong with Peter today?

Person 2: Not sure, he's probably just "Got a bad case of the bitch".

Got a bad case of the bitch by faha81 March 2, 2011